|Ferric ammonium sulphate||2.5 g||Mordant|
|Distilled water||100 mL||Solvent|
Make each solution seperately.
For use, add solution B drop by drop to 20 drops of solution A until it just remains blue .
The working solution may be used immediately, but is not stable for long.
Gray, Peter. (1954)
The Microtomist's Formulary and Guide.
Originally published by:– The Blakiston Co.
Republished by:– Robert E. Krieger Publishing Co.
Roskin, G.E, (1946). Mikroskopecheskaya technica, p. 150